New issue
Advanced search Search tips
Note: Color blocks (like or ) mean that a user may not be available. Tooltip shows the reason.

Issue 840924 link

Starred by 1 user

Issue metadata

Status: Verified
Owner:
Closed: May 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 1
Type: Bug-Security



Sign in to add a comment

Heap-use-after-free in blink::SVGResources::LayoutIfNeeded

Project Member Reported by ClusterFuzz, May 8 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4600452541579264

Fuzzer: miaubiz_svg_fuzzer
Job Type: windows_asan_chrome_no_sandbox
Platform Id: windows

Crash Type: Heap-use-after-free READ 4
Crash Address: 0x1166daa224c0
Crash State:
  blink::SVGResources::LayoutIfNeeded
  blink::SVGLayoutSupport::LayoutChildren
  blink::LayoutSVGRoot::UpdateLayout
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_chrome_no_sandbox&range=556742:556743

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4600452541579264

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for more information.
 
Project Member

Comment 1 by ClusterFuzz, May 8 2018

Components: Blink>SVG
Labels: Test-Predator-Auto-Components
Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.
Project Member

Comment 2 by ClusterFuzz, May 8 2018

Labels: Test-Predator-Auto-Owner
Owner: f...@opera.com
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/3431b89c8be2d7b1a60f5eb135b1d27ce432ce9b ([CI] Convert SVG resources to use SVGResource).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
Labels: M-68
Project Member

Comment 4 by sheriffbot@chromium.org, May 9 2018

Labels: ReleaseBlock-Stable
This is a serious security regression. If you are not able to fix this quickly, please revert the change that introduced it.

If this doesn't affect a release branch, or has not been properly classified for severity, please update the Security_Impact or Security_Severity labels, and remove the ReleaseBlock label. To disable this altogether, apply ReleaseBlock-NA.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
Project Member

Comment 5 by sheriffbot@chromium.org, May 9 2018

Labels: Pri-1
Project Member

Comment 6 by ClusterFuzz, May 10 2018

ClusterFuzz has detected this issue as fixed in range 557119:557122.

Detailed report: https://clusterfuzz.com/testcase?key=4600452541579264

Fuzzer: miaubiz_svg_fuzzer
Job Type: windows_asan_chrome_no_sandbox
Platform Id: windows

Crash Type: Heap-use-after-free READ 4
Crash Address: 0x1166daa224c0
Crash State:
  blink::SVGResources::LayoutIfNeeded
  blink::SVGLayoutSupport::LayoutChildren
  blink::LayoutSVGRoot::UpdateLayout
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_chrome_no_sandbox&range=556742:556743
Fixed: https://clusterfuzz.com/revisions?job=windows_asan_chrome_no_sandbox&range=557119:557122

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4600452541579264

See https://github.com/google/clusterfuzz-tools for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.
Project Member

Comment 7 by ClusterFuzz, May 10 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 4600452541579264 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Project Member

Comment 8 by sheriffbot@chromium.org, May 10 2018

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify

Comment 9 by awhalley@google.com, May 21 2018

Labels: -reward-topanel reward-0
Labels: -ReleaseBlock-Stable
Project Member

Comment 11 by sheriffbot@chromium.org, Aug 16

Labels: -Restrict-View-SecurityNotify allpublic
This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

Sign in to add a comment